private void InitVertexBuffer()
{
IntPtr verticesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Vertices));
Marshal.StructureToPtr(cube.Vertices, verticesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Vertices),
BindingOptions = BindingOptions.VertexBuffer,
CpuAccessOptions = CpuAccessOptions.None,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
SubresourceData InitData = new SubresourceData()
{
SystemMemory = verticesData
};
vertexBuffer = device.CreateBuffer(bufferDesc, InitData);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0,
new D3DBuffer[] { vertexBuffer },
new uint[] { stride },
new uint[] { offset });
Marshal.FreeCoTaskMem(verticesData);
}
private void InitIndexBuffer()
{
Cube cube = new Cube();
IntPtr indicesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Indices));
Marshal.StructureToPtr(cube.Indices, indicesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Indices),
BindingOptions = BindingOptions.IndexBuffer,
CpuAccessOptions = CpuAccessOptions.None,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
SubresourceData initData = new SubresourceData()
{
SystemMemory = indicesData
};
indexBuffer = device.CreateBuffer(bufferDesc, initData);
device.IA.IndexBuffer = new IndexBuffer(indexBuffer, Format.R32UInt, 0);
Marshal.FreeCoTaskMem(indicesData);
}
private void InitializeGeometryBuffers()
{
PassDescription PassDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
inputLayouts,
PassDesc.InputAssemblerInputSignature,
PassDesc.InputAssemblerInputSignatureSize
);
// Set the input layout
device.IA.InputLayout = vertexLayout;
BufferDescription bd = new BufferDescription();
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(vertexArray.s_VertexArray);
bd.BindingOptions = BindingOptions.VertexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(vertexArray.s_VertexArray));
Marshal.StructureToPtr(vertexArray.s_VertexArray, ptr, true);
SubresourceData initData = new SubresourceData {
SystemMemory = ptr
};
vertexBuffer = device.CreateBuffer(bd, initData);
Marshal.FreeHGlobal(ptr);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0, // StartSlot
new[] { vertexBuffer },
new[] { stride },
new[] { offset });
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(vertexArray.s_FacesIndexArray);
bd.BindingOptions = BindingOptions.IndexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
ptr = Marshal.AllocHGlobal(Marshal.SizeOf(vertexArray.s_FacesIndexArray));
Marshal.StructureToPtr(vertexArray.s_FacesIndexArray, ptr, true);
initData.SystemMemory = ptr;
facesIndexBuffer = device.CreateBuffer(bd, initData);
// Set primitive topology
device.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
}
protected override void OnCreatedDevice(D3DDevice d3dDevice, D3DDeviceContext d3dContext)
{
renderDevice = d3dDevice;
renderDeviceContext = d3dContext;
mediaShaderInput = new D3DInputLayout(d3dDevice, mediaShaderInputDesc, mediaShaderVertexBytecode);
mediaShaderVertex = new D3DVertexShader(d3dDevice, mediaShaderVertexBytecode);
mediaShaderPixel = new D3DPixelShader(d3dDevice, mediaPixelShaderBytecode);
mediaConstantBuffer = D3DBuffer.Create(d3dDevice,
D3DBind.ConstantBuffer,
D3DUsage.Default,
D3DAccess.None,
typeof(MediaConstantBuffer));
mediaVertexBuffer = D3DBuffer.Create(d3dDevice,
D3DBind.VertexBuffer,
D3DUsage.Dynamic,
D3DAccess.Write,
mediaVertices);
mediaFrameTextureSampler = new D3DSamplerState(d3dDevice,
D3DTextureAddressing.Clamp,
D3DTextureAddressing.Clamp,
D3DTextureFiltering.Anisotropic,
16);
mediaFrameRasterizing = new D3DRasterizerState(d3dDevice,
D3DFill.Solid,
D3DCull.Back,
true);
mediaFrameBlending = new D3DBlendState(d3dDevice);
var pathVariable = Environment.GetEnvironmentVariable("PATH");
Environment.SetEnvironmentVariable("PATH", $"{System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location)}\\FFmpeg\\;{pathVariable}");
ffmpegEngine = new FFmpegEngine(HandleMediaEvent);
// rtsp_transport tcp
// thread_queue_size 1024
// buffer_size 31250000
// max_delay 5000000
// reorder_queue_size 1000
ffmpegEngine.SetSourceOption("hw", "true");
ffmpegEngine.SetSourceOption("rtsp_transport", "tcp");
ffmpegEngine.SetSourceOption("stimeout", "2000000"); // TCP I/O timeout [us]
//ffmpegEngine.SetSource("rtsp://*****:*****@192.168.1.64:554/Streaming/Channels/101?transportmode=unicast&profile=Profile_1");
ffmpegEngine.SetSource("rtsp://*****:*****@192.168.1.66:554/onvif-media/media.amp");
ffmpegEngine.Play();
}
protected virtual void OnDataSourceChanged(DependencyPropertyChangedEventArgs args)
{
IPointDataSource newDataSource = (IPointDataSource)args.NewValue;
if (device != null)
{
UpdateBounds(DataSource);
var vertices = from p in DataSource.GetPoints() select new VertexPosition {
Vertex = new Vector3F((float)p.X, (float)p.Y, 0)
};
count = vertices.Count();
vertexBuffer = BufferHelper.CreateBuffer <VertexPosition>(device, vertices.ToArray());
deviceContext.IA.SetVertexBuffers(0, new D3DBuffer[] { vertexBuffer }, new uint[] { VertexPosition.Size }, new uint[] { 0 });
Update();
}
}
/// <summary>
/// Init device and required resources
/// </summary>
private void InitDevice()
{
// device creation
device = D3DDevice.CreateDeviceAndSwapChain(host.Handle);
swapChain = device.SwapChain;
deviceContext = device.ImmediateContext;
SetViews();
// vertex shader & layout
// Open precompiled vertex shader
// This file was compiled using: fxc Render.hlsl /T vs_4_0 /EVertShader /FoRender.vs
using (Stream stream = Application.ResourceAssembly.GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.vs"))
{
vertexShader = device.CreateVertexShader(stream);
deviceContext.VS.Shader = vertexShader;
// input layout is for the vert shader
InputElementDescription inputElementDescription = new InputElementDescription();
inputElementDescription.SemanticName = "POSITION";
inputElementDescription.SemanticIndex = 0;
inputElementDescription.Format = Format.R32G32B32Float;
inputElementDescription.InputSlot = 0;
inputElementDescription.AlignedByteOffset = 0;
inputElementDescription.InputSlotClass = InputClassification.PerVertexData;
inputElementDescription.InstanceDataStepRate = 0;
stream.Position = 0;
InputLayout inputLayout = device.CreateInputLayout(
new InputElementDescription[] { inputElementDescription },
stream);
deviceContext.IA.InputLayout = inputLayout;
}
// Open precompiled vertex shader
// This file was compiled using: fxc Render.hlsl /T ps_4_0 /EPixShader /FoRender.ps
using (Stream stream = Application.ResourceAssembly.GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.ps"))
{
pixelShader = device.CreatePixelShader(stream);
}
deviceContext.PS.SetShader(pixelShader, null);
// create some geometry to draw (1 triangle)
SimpleVertexArray vertex = new SimpleVertexArray();
// put the vertices into a vertex buffer
BufferDescription bufferDescription = new BufferDescription();
bufferDescription.Usage = Usage.Default;
bufferDescription.ByteWidth = (uint)Marshal.SizeOf(vertex);
bufferDescription.BindingOptions = BindingOptions.VertexBuffer;
SubresourceData subresourceData = new SubresourceData();
IntPtr vertexData = Marshal.AllocCoTaskMem(Marshal.SizeOf(vertex));
Marshal.StructureToPtr(vertex, vertexData, false);
subresourceData.SystemMemory = vertexData;
vertexBuffer = device.CreateBuffer(bufferDescription, subresourceData);
deviceContext.IA.SetVertexBuffers(0, new D3DBuffer[] { vertexBuffer }, new uint[] { 12 }, new uint[] { 0 });
deviceContext.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
Marshal.FreeCoTaskMem(vertexData);
}
void CreateDeviceResources()
{
uint width = (uint) host.ActualWidth;
uint height = (uint) host.ActualHeight;
// If we don't have a device, need to create one now and all
// accompanying D3D resources.
CreateDevice();
DXGIFactory dxgiFactory = DXGIFactory.CreateFactory();
SwapChainDescription swapDesc = new SwapChainDescription();
swapDesc.BufferDescription.Width = width;
swapDesc.BufferDescription.Height = height;
swapDesc.BufferDescription.Format = Format.R8G8B8A8_UNORM;
swapDesc.BufferDescription.RefreshRate.Numerator = 60;
swapDesc.BufferDescription.RefreshRate.Denominator = 1;
swapDesc.SampleDescription.Count = 1;
swapDesc.SampleDescription.Quality = 0;
swapDesc.BufferUsage = UsageOption.RenderTargetOutput;
swapDesc.BufferCount = 1;
swapDesc.OutputWindowHandle = host.Handle;
swapDesc.Windowed = true;
swapChain = dxgiFactory.CreateSwapChain(
device, swapDesc);
// Create rasterizer state object
RasterizerDescription rsDesc = new RasterizerDescription();
rsDesc.AntialiasedLineEnable = false;
rsDesc.CullMode = CullMode.None;
rsDesc.DepthBias = 0;
rsDesc.DepthBiasClamp = 0;
rsDesc.DepthClipEnable = true;
rsDesc.FillMode = D3D10.FillMode.Solid;
rsDesc.FrontCounterClockwise = false; // Must be FALSE for 10on9
rsDesc.MultisampleEnable = false;
rsDesc.ScissorEnable = false;
rsDesc.SlopeScaledDepthBias = 0;
rasterizerState = device.CreateRasterizerState(
rsDesc);
device.RS.SetState(
rasterizerState
);
// If we don't have a D2D render target, need to create all of the resources
// required to render to one here.
// Ensure that nobody is holding onto one of the old resources
device.OM.SetRenderTargets(new RenderTargetView[] {null});
InitializeDepthStencil(width, height);
// Create views on the RT buffers and set them on the device
RenderTargetViewDescription renderDesc = new RenderTargetViewDescription();
renderDesc.Format = Format.R8G8B8A8_UNORM;
renderDesc.ViewDimension = RenderTargetViewDimension.Texture2D;
renderDesc.Texture2D.MipSlice = 0;
using (D3DResource spBackBufferResource = swapChain.GetBuffer<D3DResource>(0))
{
renderTargetView = device.CreateRenderTargetView(
spBackBufferResource,
renderDesc);
}
device.OM.SetRenderTargets(new RenderTargetView[] {renderTargetView}, depthStencilView);
SetViewport(width, height);
// Create a D2D render target which can draw into the surface in the swap chain
RenderTargetProperties props =
new RenderTargetProperties(
RenderTargetType.Default, new PixelFormat(Format.Unknown, AlphaMode.Premultiplied),
96, 96, RenderTargetUsage.None, FeatureLevel.Default);
// Allocate a offscreen D3D surface for D2D to render our 2D content into
Texture2DDescription tex2DDescription;
tex2DDescription.ArraySize = 1;
tex2DDescription.BindFlags = BindFlag.RenderTarget | BindFlag.ShaderResource;
tex2DDescription.CpuAccessFlags = CpuAccessFlag.Unspecified;
tex2DDescription.Format = Format.R8G8B8A8_UNORM;
tex2DDescription.Height = 4096;
tex2DDescription.Width = 512;
tex2DDescription.MipLevels = 1;
tex2DDescription.MiscFlags = 0;
tex2DDescription.SampleDescription.Count = 1;
tex2DDescription.SampleDescription.Quality = 0;
tex2DDescription.Usage = Usage.Default;
offscreenTexture = device.CreateTexture2D(tex2DDescription);
using (Surface dxgiSurface = offscreenTexture.GetDXGISurface())
{
// Create a D2D render target which can draw into our offscreen D3D surface
renderTarget = d2DFactory.CreateDxgiSurfaceRenderTarget(
dxgiSurface,
props);
}
PixelFormat alphaOnlyFormat = new PixelFormat(Format.A8_UNORM, AlphaMode.Premultiplied);
opacityRenderTarget = renderTarget.CreateCompatibleRenderTarget(CompatibleRenderTargetOptions.None,
alphaOnlyFormat);
// Load pixel shader
// Open precompiled vertex shader
// This file was compiled using DirectX's SDK Shader compilation tool:
// fxc.exe /T fx_4_0 /Fo SciFiText.fxo SciFiText.fx
shader = LoadResourceShader(device, "SciFiTextDemo.SciFiText.fxo");
// Obtain the technique
technique = shader.GetTechniqueByName("Render");
// Obtain the variables
worldMatrixVariable = shader.GetVariableByName("World").AsMatrix();
viewMatrixVariable = shader.GetVariableByName("View").AsMatrix();
projectionMarixVariable = shader.GetVariableByName("Projection").AsMatrix();
diffuseVariable = shader.GetVariableByName("txDiffuse").AsShaderResource();
// Create the input layout
PassDescription passDesc = new PassDescription();
passDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
inputLayoutDescriptions,
passDesc.InputAssemblerInputSignature,
passDesc.InputAssemblerInputSignatureSize
);
// Set the input layout
device.IA.SetInputLayout(
vertexLayout
);
IntPtr verticesDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(VertexArray.VerticesInstance));
Marshal.StructureToPtr(VertexArray.VerticesInstance, verticesDataPtr, true);
BufferDescription bd = new BufferDescription();
bd.Usage = Usage.Default;
bd.ByteWidth = (uint) Marshal.SizeOf(VertexArray.VerticesInstance);
bd.BindFlags = BindFlag.VertexBuffer;
bd.CpuAccessFlags = CpuAccessFlag.Unspecified;
bd.MiscFlags = ResourceMiscFlag.Undefined;
SubresourceData InitData = new SubresourceData()
{
SysMem = verticesDataPtr
};
vertexBuffer = device.CreateBuffer(
bd,
InitData
);
Marshal.FreeHGlobal(verticesDataPtr);
// Set vertex buffer
uint stride = (uint) Marshal.SizeOf(typeof (SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0,
new D3DBuffer[] {vertexBuffer},
new uint[] {stride},
new uint[] {offset}
);
IntPtr indicesDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(VertexArray.IndicesInstance));
Marshal.StructureToPtr(VertexArray.IndicesInstance, indicesDataPtr, true);
bd.Usage = Usage.Default;
bd.ByteWidth = (uint) Marshal.SizeOf(VertexArray.IndicesInstance);
bd.BindFlags = BindFlag.IndexBuffer;
bd.CpuAccessFlags = 0;
bd.MiscFlags = 0;
InitData.SysMem = indicesDataPtr;
facesIndexBuffer = device.CreateBuffer(
bd,
InitData
);
Marshal.FreeHGlobal(indicesDataPtr);
// Set primitive topology
device.IA.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
// Convert the D2D texture into a Shader Resource View
textureResourceView = device.CreateShaderResourceView(
offscreenTexture);
// Initialize the world matrices
worldMatrix = Matrix4x4F.Identity;
// Initialize the view matrix
Vector3F Eye = new Vector3F(0.0f, 0.0f, 13.0f);
Vector3F At = new Vector3F(0.0f, -3.5f, 45.0f);
Vector3F Up = new Vector3F(0.0f, 1.0f, 0.0f);
viewMatrix = Camera.MatrixLookAtLH(Eye, At, Up);
// Initialize the projection matrix
projectionMatrix = Camera.MatrixPerspectiveFovLH(
(float) Math.PI*0.1f,
width/(float) height,
0.1f,
100.0f);
// Update Variables that never change
viewMatrixVariable.Matrix = viewMatrix;
projectionMarixVariable.Matrix = projectionMatrix;
GradientStop[] gradientStops =
{
new GradientStop(0.0f, new ColorF(Colors.Yellow)),
new GradientStop(1.0f, new ColorF(Colors.Black))
};
GradientStopCollection spGradientStopCollection = renderTarget.CreateGradientStopCollection(
gradientStops,
Gamma.Gamma_22,
ExtendMode.Clamp);
// Create a linear gradient brush for text
textBrush = renderTarget.CreateLinearGradientBrush(
new LinearGradientBrushProperties(new Point2F(0, 0), new Point2F(0, -2048)),
spGradientStopCollection
);
}
private void InitIndexBuffer()
{
IntPtr indicesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Indices));
Marshal.StructureToPtr(cube.Indices, indicesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Indices),
BindingOptions = BindingOptions.IndexBuffer,
CpuAccessOptions = CpuAccessOptions.None,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
SubresourceData initData = new SubresourceData()
{
SystemMemory = indicesData
};
indexBuffer = device.CreateBuffer(bufferDesc, initData);
device.IA.IndexBuffer = new IndexBuffer(indexBuffer, Format.R32UInt, 0);
Marshal.FreeCoTaskMem(indicesData);
}
private void InitVertexBuffer()
{
IntPtr verticesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Vertices));
Marshal.StructureToPtr(cube.Vertices, verticesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Vertices),
BindingOptions = BindingOptions.VertexBuffer,
CpuAccessOptions = CpuAccessOptions.None,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
SubresourceData InitData = new SubresourceData()
{
SystemMemory = verticesData
};
vertexBuffer = device.CreateBuffer(bufferDesc, InitData);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0,
new D3DBuffer[] { vertexBuffer },
new uint[] { stride },
new uint[] { offset });
Marshal.FreeCoTaskMem(verticesData);
}
/// <summary>
/// Create Direct3D device and swap chain
/// </summary>
protected void InitDevice()
{
device = D3DDevice.CreateDeviceAndSwapChain(directControl.Handle, out swapChain);
SetViews();
// Create the effect
using (FileStream effectStream = File.OpenRead("Tutorial02.fxo"))
{
effect = device.CreateEffectFromCompiledBinary(new BinaryReader(effectStream));
}
// Obtain the technique
technique = effect.GetTechniqueByName("Render");
// Define the input layout
InputElementDescription[] layout =
{
new InputElementDescription()
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = Format.R32G32B32_FLOAT,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
PassDescription passDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
layout,
passDesc.InputAssemblerInputSignature,
passDesc.InputAssemblerInputSignatureSize);
device.IA.SetInputLayout(vertexLayout);
SimpleVertexArray vertex = new SimpleVertexArray();
BufferDescription bd = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(vertex),
BindFlags = BindFlag.VertexBuffer,
CpuAccessFlags = 0,
MiscFlags = 0
};
IntPtr vertexData = Marshal.AllocCoTaskMem(Marshal.SizeOf(vertex));
Marshal.StructureToPtr(vertex, vertexData, false);
SubresourceData InitData = new SubresourceData()
{
SysMem = vertexData,
SysMemPitch = 0,
SysMemSlicePitch = 0
};
//D3DBuffer buffer = null;
vertexBuffer = device.CreateBuffer(bd, InitData);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(Vector3F));
uint offset = 0;
device.IA.SetVertexBuffers(0, new Collection<D3DBuffer>()
{
vertexBuffer
},
new uint[] { stride }, new uint[] { offset });
// Set primitive topology
device.IA.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
Marshal.FreeCoTaskMem(vertexData);
}
protected virtual void OnDataSourceChanged(DependencyPropertyChangedEventArgs args)
{
IPointDataSource newDataSource = (IPointDataSource)args.NewValue;
if (device != null)
{
UpdateBounds(DataSource);
var vertices = from p in DataSource.GetPoints() select new VertexPosition { Vertex = new Vector3F((float)p.X, (float)p.Y, 0) };
count = vertices.Count();
vertexBuffer = BufferHelper.CreateBuffer<VertexPosition>(device, vertices.ToArray());
deviceContext.IA.SetVertexBuffers(0, new D3DBuffer[] { vertexBuffer }, new uint[] { VertexPosition.Size }, new uint[] { 0 });
Update();
}
}
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
// device creation
device = D3DDevice.CreateDeviceAndSwapChain(Handle);
swapChain = device.SwapChain;
deviceContext = device.ImmediateContext;
SetViews();
// Open precompiled vertex shader
// This file was compiled using: fxc Render.hlsl /T vs_4_0 /EVertShader /FoRender.vs
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.vs"))
{
vertexShader = device.CreateVertexShader(stream);
}
deviceContext.VS.SetShader(vertexShader, null);
// input layout is for the vert shader
InputElementDescription inputElementDescription = new InputElementDescription();
inputElementDescription.SemanticName = "POSITION";
inputElementDescription.SemanticIndex = 0;
inputElementDescription.Format = Format.R32G32B32Float;
inputElementDescription.InputSlot = 0;
inputElementDescription.AlignedByteOffset = 0;
inputElementDescription.InputSlotClass = InputClassification.PerVertexData;
inputElementDescription.InstanceDataStepRate = 0;
InputLayout inputLayout;
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.vs"))
{
inputLayout = device.CreateInputLayout(new InputElementDescription[] { inputElementDescription }, stream);
}
deviceContext.IA.InputLayout = inputLayout;
// Open precompiled vertex shader
// This file was compiled using: fxc Render.hlsl /T ps_4_0 /EPixShader /FoRender.ps
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.ps"))
{
pixelShader = device.CreatePixelShader(stream);
}
deviceContext.PS.SetShader(pixelShader, null);
// create some geometry to draw (1 triangle)
SimpleVertexArray vertex = new SimpleVertexArray();
// put the vertices into a vertex buffer
BufferDescription bufferDescription = new BufferDescription();
bufferDescription.Usage = Usage.Default;
bufferDescription.ByteWidth = (uint)Marshal.SizeOf(vertex);
bufferDescription.BindingOptions = BindingOptions.VertexBuffer;
SubresourceData subresourceData = new SubresourceData();
IntPtr vertexData = Marshal.AllocCoTaskMem(Marshal.SizeOf(vertex));
Marshal.StructureToPtr(vertex, vertexData, false);
subresourceData.SystemMemory = vertexData;
vertexBuffer = device.CreateBuffer(bufferDescription, subresourceData);
deviceContext.IA.SetVertexBuffers(0, new D3DBuffer[] { vertexBuffer }, new uint[] { 12 }, new uint[] { 0 });
deviceContext.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
Marshal.FreeCoTaskMem(vertexData);
}
private void InitializeGeometryBuffers()
{
PassDescription PassDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
inputLayouts,
PassDesc.InputAssemblerInputSignature,
PassDesc.InputAssemblerInputSignatureSize
);
// Set the input layout
device.IA.InputLayout = vertexLayout;
BufferDescription bd = new BufferDescription();
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(vertexArray.s_VertexArray);
bd.BindingOptions = BindingOptions.VertexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(vertexArray.s_VertexArray));
Marshal.StructureToPtr(vertexArray.s_VertexArray, ptr, true);
SubresourceData initData = new SubresourceData { SystemMemory = ptr };
vertexBuffer = device.CreateBuffer(bd, initData);
Marshal.FreeHGlobal(ptr);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0, // StartSlot
new[] { vertexBuffer },
new[] { stride },
new[] { offset });
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(vertexArray.s_FacesIndexArray);
bd.BindingOptions = BindingOptions.IndexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
ptr = Marshal.AllocHGlobal(Marshal.SizeOf(vertexArray.s_FacesIndexArray));
Marshal.StructureToPtr(vertexArray.s_FacesIndexArray, ptr, true);
initData.SystemMemory = ptr;
facesIndexBuffer = device.CreateBuffer(bd, initData);
// Set primitive topology
device.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
}
private void InitDevice()
{
// device creation
//device = D3DDevice.CreateDeviceAndSwapChain(
// null,
// DriverType.Hardware,
// null,
// CreateDeviceFlag.Default,
// new []{FeatureLevel.FeatureLevel_10_1},
// new SwapChainDescription {
// BufferCount = 1
// },
// out swapChain);
device = D3DDevice.CreateDeviceAndSwapChain(directControl.Handle, out swapChain);
deviceContext = device.GetImmediateContext();
SetViews();
// Open precompiled vertex shader
// This file was compiled using: fxc Render.hlsl /T vs_4_0 /EVertShader /FoRender.vs
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.vs"))
{
vertexShader = device.CreateVertexShader(stream);
}
deviceContext.VS.SetShader(vertexShader, null);
// input layout is for the vert shader
InputElementDescription inputElementDescription = new InputElementDescription();
inputElementDescription.SemanticName = "POSITION";
inputElementDescription.SemanticIndex = 0;
inputElementDescription.Format = Format.R32G32B32_FLOAT;
inputElementDescription.InputSlot = 0;
inputElementDescription.AlignedByteOffset = 0;
inputElementDescription.InputSlotClass = InputClassification.PerVertexData;
inputElementDescription.InstanceDataStepRate = 0;
InputLayout inputLayout;
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.vs"))
{
inputLayout = device.CreateInputLayout(new [] { inputElementDescription }, stream);
}
deviceContext.IA.SetInputLayout(inputLayout);
// Open precompiled pixel shader
// This file was compiled using: fxc Render.hlsl /T ps_4_0 /EPixShader /FoRender.ps
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Microsoft.WindowsAPICodePack.Samples.Direct3D11.Render.ps"))
{
pixelShader = device.CreatePixelShader(stream);
}
deviceContext.PS.SetShader(pixelShader, null);
// create some geometry to draw (1 triangle)
SimpleVertexArray vertex = new SimpleVertexArray();
// put the vertices into a vertex buffer
BufferDescription bufferDescription = new BufferDescription();
bufferDescription.Usage = Usage.Default;
bufferDescription.ByteWidth = (uint)Marshal.SizeOf(vertex);
bufferDescription.BindFlags = BindFlag.VertexBuffer;
SubresourceData subresourceData = new SubresourceData();
IntPtr vertexData = Marshal.AllocCoTaskMem(Marshal.SizeOf(vertex));
Marshal.StructureToPtr(vertex, vertexData, false);
subresourceData.SysMem = vertexData;
vertexBuffer = device.CreateBuffer(bufferDescription, subresourceData);
deviceContext.IA.SetVertexBuffers(0, new [] { vertexBuffer }, new uint[] { 12 }, new uint[] { 0 });
deviceContext.IA.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
Marshal.FreeCoTaskMem(vertexData);
}
void CreateDeviceResources()
{
uint width = (uint)host.ActualWidth;
uint height = (uint)host.ActualHeight;
// If we don't have a device, need to create one now and all
// accompanying D3D resources.
CreateDevice();
Factory dxgiFactory = Factory.Create();
SwapChainDescription swapDesc = new SwapChainDescription
{
BufferDescription = new ModeDescription
{
Width = width, Height = height,
Format = Format.R8G8B8A8UNorm,
RefreshRate = new Rational {
Numerator = 60, Denominator = 1
}
},
SampleDescription = new SampleDescription {
Count = 1, Quality = 0
},
BufferUsage = UsageOptions.RenderTargetOutput,
BufferCount = 1,
OutputWindowHandle = host.Handle,
Windowed = true
};
swapChain = dxgiFactory.CreateSwapChain(
device, swapDesc);
// Create rasterizer state object
RasterizerDescription rsDesc = new RasterizerDescription();
rsDesc.AntiAliasedLineEnable = false;
rsDesc.CullMode = CullMode.None;
rsDesc.DepthBias = 0;
rsDesc.DepthBiasClamp = 0;
rsDesc.DepthClipEnable = true;
rsDesc.FillMode = D3D10.FillMode.Solid;
rsDesc.FrontCounterclockwise = false; // Must be FALSE for 10on9
rsDesc.MultisampleEnable = false;
rsDesc.ScissorEnable = false;
rsDesc.SlopeScaledDepthBias = 0;
rasterizerState = device.CreateRasterizerState(
rsDesc);
device.RS.State = rasterizerState;
// If we don't have a D2D render target, need to create all of the resources
// required to render to one here.
// Ensure that nobody is holding onto one of the old resources
device.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { null });
InitializeDepthStencil(width, height);
// Create views on the RT buffers and set them on the device
RenderTargetViewDescription renderDesc = new RenderTargetViewDescription();
renderDesc.Format = Format.R8G8B8A8UNorm;
renderDesc.ViewDimension = RenderTargetViewDimension.Texture2D;
Texture2DRenderTargetView renderView = renderDesc.Texture2D;
renderView.MipSlice = 0;
renderDesc.Texture2D = renderView;
using (D3DResource spBackBufferResource = swapChain.GetBuffer <D3DResource>(0))
{
renderTargetView = device.CreateRenderTargetView(
spBackBufferResource,
renderDesc);
}
device.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { renderTargetView }, depthStencilView);
SetViewport(width, height);
// Create a D2D render target which can draw into the surface in the swap chain
RenderTargetProperties props =
new RenderTargetProperties(
RenderTargetType.Default, new PixelFormat(Format.Unknown, AlphaMode.Premultiplied),
96, 96, RenderTargetUsages.None, FeatureLevel.Default);
// Allocate a offscreen D3D surface for D2D to render our 2D content into
Texture2DDescription tex2DDescription = new Texture2DDescription
{
ArraySize = 1,
BindingOptions = BindingOptions.RenderTarget | BindingOptions.ShaderResource,
CpuAccessOptions = CpuAccessOptions.None,
Format = Format.R8G8B8A8UNorm,
Height = 4096,
Width = 512,
MipLevels = 1,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None,
SampleDescription = new SampleDescription {
Count = 1, Quality = 0
},
Usage = Usage.Default
};
offscreenTexture = device.CreateTexture2D(tex2DDescription);
using (Surface dxgiSurface = offscreenTexture.GraphicsSurface)
{
// Create a D2D render target which can draw into our offscreen D3D surface
renderTarget = d2DFactory.CreateGraphicsSurfaceRenderTarget(
dxgiSurface,
props);
}
PixelFormat alphaOnlyFormat = new PixelFormat(Format.A8UNorm, AlphaMode.Premultiplied);
opacityRenderTarget = renderTarget.CreateCompatibleRenderTarget(CompatibleRenderTargetOptions.None,
alphaOnlyFormat);
// Load pixel shader
// Open precompiled vertex shader
// This file was compiled using DirectX's SDK Shader compilation tool:
// fxc.exe /T fx_4_0 /Fo SciFiText.fxo SciFiText.fx
shader = LoadResourceShader(device, "SciFiTextDemo.SciFiText.fxo");
// Obtain the technique
technique = shader.GetTechniqueByName("Render");
// Obtain the variables
worldMatrixVariable = shader.GetVariableByName("World").AsMatrix;
viewMatrixVariable = shader.GetVariableByName("View").AsMatrix;
projectionMarixVariable = shader.GetVariableByName("Projection").AsMatrix;
diffuseVariable = shader.GetVariableByName("txDiffuse").AsShaderResource;
// Create the input layout
PassDescription passDesc = new PassDescription();
passDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
inputLayoutDescriptions,
passDesc.InputAssemblerInputSignature,
passDesc.InputAssemblerInputSignatureSize
);
// Set the input layout
device.IA.InputLayout = vertexLayout;
IntPtr verticesDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(VertexArray.VerticesInstance));
Marshal.StructureToPtr(VertexArray.VerticesInstance, verticesDataPtr, true);
BufferDescription bd = new BufferDescription();
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(VertexArray.VerticesInstance);
bd.BindingOptions = BindingOptions.VertexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
SubresourceData InitData = new SubresourceData {
SystemMemory = verticesDataPtr
};
vertexBuffer = device.CreateBuffer(bd, InitData);
Marshal.FreeHGlobal(verticesDataPtr);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0,
new D3DBuffer[] { vertexBuffer },
new uint[] { stride },
new uint[] { offset }
);
IntPtr indicesDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(VertexArray.IndicesInstance));
Marshal.StructureToPtr(VertexArray.IndicesInstance, indicesDataPtr, true);
bd.Usage = Usage.Default;
bd.ByteWidth = (uint)Marshal.SizeOf(VertexArray.IndicesInstance);
bd.BindingOptions = BindingOptions.IndexBuffer;
bd.CpuAccessOptions = CpuAccessOptions.None;
bd.MiscellaneousResourceOptions = MiscellaneousResourceOptions.None;
InitData.SystemMemory = indicesDataPtr;
facesIndexBuffer = device.CreateBuffer(
bd,
InitData
);
Marshal.FreeHGlobal(indicesDataPtr);
// Set primitive topology
device.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
// Convert the D2D texture into a Shader Resource View
textureResourceView = device.CreateShaderResourceView(
offscreenTexture);
// Initialize the world matrices
worldMatrix = Matrix4x4F.Identity;
// Initialize the view matrix
Vector3F Eye = new Vector3F(0.0f, 0.0f, 13.0f);
Vector3F At = new Vector3F(0.0f, -3.5f, 45.0f);
Vector3F Up = new Vector3F(0.0f, 1.0f, 0.0f);
viewMatrix = Camera.MatrixLookAtLH(Eye, At, Up);
// Initialize the projection matrix
projectionMatrix = Camera.MatrixPerspectiveFovLH(
(float)Math.PI * 0.1f,
width / (float)height,
0.1f,
100.0f);
// Update Variables that never change
viewMatrixVariable.Matrix = viewMatrix;
projectionMarixVariable.Matrix = projectionMatrix;
GradientStop[] gradientStops =
{
new GradientStop(0.0f, new ColorF(GetColorValues(System.Windows.Media.Colors.Yellow))),
new GradientStop(1.0f, new ColorF(GetColorValues(System.Windows.Media.Colors.Black)))
};
GradientStopCollection spGradientStopCollection = renderTarget.CreateGradientStopCollection(
gradientStops, Gamma.StandardRgb, ExtendMode.Clamp);
// Create a linear gradient brush for text
textBrush = renderTarget.CreateLinearGradientBrush(
new LinearGradientBrushProperties(new Point2F(0, 0), new Point2F(0, -2048)),
spGradientStopCollection
);
}
private void InitializeVertexBuffer()
{
IntPtr verticesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Vertices));
Marshal.StructureToPtr(cube.Vertices, verticesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Vertices),
BindFlags = BindFlag.VertexBuffer,
CpuAccessFlags = 0,
MiscFlags = 0
};
SubresourceData InitData = new SubresourceData()
{
SysMem = verticesData
};
//D3DBuffer buffer = null;
vertexBuffer = device.CreateBuffer(bufferDesc, InitData);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(SimpleVertex));
uint offset = 0;
device.IA.SetVertexBuffers(
0,
new D3DBuffer[] { vertexBuffer },
new uint[] { stride },
new uint[] { offset });
Marshal.FreeCoTaskMem(verticesData);
}
private void InitializeIndexBuffer()
{
IntPtr indicesData = Marshal.AllocCoTaskMem(Marshal.SizeOf(cube.Indices));
Marshal.StructureToPtr(cube.Indices, indicesData, true);
BufferDescription bufferDesc = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(cube.Indices),
BindFlags = BindFlag.IndexBuffer,
CpuAccessFlags = 0,
MiscFlags = 0
};
SubresourceData initData = new SubresourceData()
{
SysMem = indicesData
};
indexBuffer = device.CreateBuffer(bufferDesc, initData);
device.IA.SetIndexBuffer(indexBuffer, Format.R32_UINT, 0);
Marshal.FreeCoTaskMem(indicesData);
}
/// <summary>
/// Create Direct3D device and swap chain
/// </summary>
protected void InitDevice()
{
device = D3DDevice.CreateDeviceAndSwapChain(directControl.Handle);
swapChain = device.SwapChain;
SetViews();
// Create the effect
using (FileStream effectStream = File.OpenRead("Tutorial02.fxo"))
{
effect = device.CreateEffectFromCompiledBinary(new BinaryReader(effectStream));
}
// Obtain the technique
technique = effect.GetTechniqueByName("Render");
// Define the input layout
InputElementDescription[] layout =
{
new InputElementDescription()
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = Format.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
PassDescription passDesc = technique.GetPassByIndex(0).Description;
vertexLayout = device.CreateInputLayout(
layout,
passDesc.InputAssemblerInputSignature,
passDesc.InputAssemblerInputSignatureSize);
device.IA.InputLayout = vertexLayout;
SimpleVertexArray vertex = new SimpleVertexArray();
BufferDescription bd = new BufferDescription()
{
Usage = Usage.Default,
ByteWidth = (uint)Marshal.SizeOf(vertex),
BindingOptions = BindingOptions.VertexBuffer,
CpuAccessOptions = CpuAccessOptions.None,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
IntPtr vertexData = Marshal.AllocCoTaskMem(Marshal.SizeOf(vertex));
Marshal.StructureToPtr(vertex, vertexData, false);
SubresourceData InitData = new SubresourceData()
{
SystemMemory = vertexData,
SystemMemoryPitch = 0,
SystemMemorySlicePitch = 0
};
//D3DBuffer buffer = null;
vertexBuffer = device.CreateBuffer(bd, InitData);
// Set vertex buffer
uint stride = (uint)Marshal.SizeOf(typeof(Vector3F));
uint offset = 0;
device.IA.SetVertexBuffers(0, new Collection <D3DBuffer>()
{
vertexBuffer
},
new uint[] { stride }, new uint[] { offset });
// Set primitive topology
device.IA.PrimitiveTopology = PrimitiveTopology.TriangleList;
Marshal.FreeCoTaskMem(vertexData);
}